Fastethernet 0/26 is suspended-no-linkbeat

Unanswered Question
Mar 19th, 2009

I have a 2500 router connected by AUI / transeiver to a 1924 Switch (fa 0/26 port). Both have their ports running at half duplex. The router says the port is up and up but switch says the fastethernet port is suspended-no-linkbeat. I have reset both devices to out-of-the-box defaults and started over with new configs. The fa 0/26 port on switch says STP state is blocking but I can't get it to a forwarding state (if that is part of the problem). I'm just starting my studies for CCNA and I'm stumped here. I have tried researching that particular error message but cannot find anything that points me in the right direction for the solution. Any advice or input would be appreciatecd. Here is the output of show interface on the 1924:

FastEthernet 0/26 is Suspended-no-linkbeat

Hardware is Built-in 100Base-TX

Address is 0007.8541.9BDA

MTU 1500 bytes, BW 100000 Kbits

802.1d STP State: Blocking Forward Transitions: 0

Port monitoring: Disabled

Unknown unicast flooding: Enabled

Unregistered multicast flooding: Enabled


Duplex/Flow Control setting: Half duplex

Enhanced Congestion Control: Disabled

All other Receive/Transmit statistics are 0

Running Enterprise Edition Software Version V9.00.04

Here is output for ethernet0 on 2500:

Ethernet0 is up, line protocol is up

Hardware is Lance, address is 0010.7b80.90fd (bia 0010.7b80.90fd)

Internet address is

MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation ARPA, loopback not set

Keepalive set (10 sec)

ARP type: ARPA, ARP Timeout 04:00:00

Last input never, output 00:00:07, output hang never. All the other counters are 0

Running Cisco Internetwork Operating System Software

IOS (tm) 2500 Software (C2500-JS-L), Version 12.2(12a), RELEASE SOFTWARE (fc1)

I can supply more info if needed.

I have this problem too.
0 votes
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
John Blakley Fri, 03/20/2009 - 07:40

I would try setting the speed on your fa0/26 port to 10:

int fa0/26

speed 10

duplex half

Try setting the same way in the router.




This Discussion